How to measure trailer axle bolt pattern?

There are several ways to measure the diameter of the hole in a trailer axle but the simplest is using a tape measure. Measure the distance between the outside edges of the holes on the mounting flange. If the holes are not perfectly circular, use a calculator to determine the actual diameter in inches. Add that number to your list of parts you need.

How to find trailer axle bolt pattern?

It’s possible to measure the diameter of the hole from your truck. But if you don’t have a tape measure handy, you can count the number of flat washers on the bolt shank. Each flat washer is about 0.25-in. wide. If the shank width is 0.25-in. or wider, the bolt pattern is A-5. If the shank width is 0.625-in. or less, the bolt pattern is

How to check trailer axle bolt pattern?

To check if the bolt pattern on your trailer wheels matches the vehicle’s frame bolt pattern, remove the wheels. You'll need to use a special wrench to loosen the bolts. Be careful not to lose the nuts. Once the nuts are loose, measure the distance from the center of the bolt hole to the outer edge of the wheel rim. This is the bolt hole diameter. You can use a tape measure to find the bolt hole diameter.

How to determine trailer axle bolt pattern?

There are many ways to measure your trailer axle bolt pattern. The easiest way is to use a tape measure, tape, and a flashlight. Measure the distance between the holes in the wheels (see image below). If the distance is 4.125”, then you have a 4-on-6 bolt pattern. If the distance is 4.375”, then you have a 4-on-5 bolt pattern.

How to check axle bolt pattern for trailer?

Sometimes the threads on your trailer axles are damaged so much that they cannot hold the strength required to hold the weight of the trailer. This is especially true for older trailers or those that have been repaired a few times. Sometimes the threads are stripped out. This causes the bolt to become loose and the trailer to lose its ability to hold the weight of the load. If this is the case, the first thing you should do is check if the bolt is secure. If you notice that the bolt is